cordova-android/framework/assets/js/contact.js

var Contact = function() {
    this.name = new ContactName();
    this.emails = [];
    this.phones = [];
};

var ContactName = function() {
    this.formatted = "";
    this.familyName = "";
    this.givenName = "";
    this.additionalNames = [];
    this.prefixes = [];
    this.suffixes = [];
};

var ContactEmail = function() {
    this.types = [];
    this.address = "";
};

var ContactPhoneNumber = function() {
    this.types = [];
    this.number = "";
};

var Contacts = function() {
    this.records = [];
};

Contacts.prototype.find = function(obj, win, fail) {
    this.win = win;
    this.fail = fail;
    if(obj.name != null) {
        // Build up the search term that we'll use in SQL, based on the structure/contents of the contact object passed into find.
        var searchTerm = '';
        if (obj.name.givenName && obj.name.givenName.length > 0) {
            searchTerm = obj.name.givenName.split(' ').join('%');
        }
        if (obj.name.familyName && obj.name.familyName.length > 0) {
            searchTerm += obj.name.familyName.split(' ').join('%');
        }
        if (!obj.name.familyName && !obj.name.givenName && obj.name.formatted) {
            searchTerm = obj.name.formatted;
        }
        PhoneGap.execAsync(null, null, "Contacts", "search", [searchTerm, "", ""]);
    }
};

Contacts.prototype.droidFoundContact = function(name, npa, email) {
    var contact = new Contact();
    contact.name = new ContactName();
    contact.name.formatted = name;
    contact.name.givenName = name;
    var mail = new ContactEmail();
    mail.types.push("home");
    mail.address = email;
    contact.emails.push(mail);
    phone = new ContactPhoneNumber();
    phone.types.push("home");
    phone.number = npa;
    contact.phones.push(phone);
    this.records.push(contact);
};

Contacts.prototype.droidDone = function() {
    this.win(this.records);
};

PhoneGap.addConstructor(function() {
    if(typeof navigator.contacts == "undefined") navigator.contacts = new Contacts();
});